Malting-machine



(No Model.)

7' J. 82; H. NOTH.

MALTING MACHINE. N0. 412,782. Patented Oct. 15-, 1889.

al iance NITED STATES;

PATENT QFFICE.

JOHN NOTH AND HENRY NOTH, OF DAVENPORT, IOWVA.

MALLI'ING-IIV'IACH-INE.

SPECIFICATION forming part of Letters Patent No. 412,782, dated October 15, I889.

Application filed September 24, 1888. Serial No. 286,259. (No model.)

To all whom it may concern:

Be it known that we, JOHN NOTH and HENRY NOTH, citizens of the United States, residing at Davenport, in the county of Scott and State of Iowa, have invented new and useful. Improvements in Making-Machines, of which the following is a specification.

Our invention relates to improvements in that class of malting-machines for which Letters Patent No. 380,588 were granted us April 3, 1888, and for improvements in which we havea further application for Letters Patent now pending; and the objects of our present improvements are, first, to improve the stirring apparatus; and, second, to improve the method for distributing the moistened air beneath the false perforated bottom of the tub. We attain these objects by the mechanism illustrated in the accompanying drawing, in which the figure represents a longitudinal and vertical view of a sectional half of the machine.

As represented in the drawing, A is the malting-tub; a, its false perforated bottom; B, the air-space surrounding the bottom of said tub; b, orifices therein for supplying moistened air therefrom to the interior of the tubbeneath its false perforated bottom, and O the conductor supplying air from the air-moistening box to said air-space B.

D D are arms of the laterally-swinging wing suspended on the main vertical and centrally-located shaft E, attached to which wing are vertical shafts d d d (1 cl, carrying sprocket-wheels e e e e e thereon, and f is a small gear-wheel on the outer shaft d, beneath its sprocket-wheel e, which meshes with the larger gear-wheel F on said wing, underneath which is a small cog-wheel g, which meshes in cogs G on the interior upper part of the wall of tub A. Said main shaft E carries a sprocketrwheel H, and surrounding which, together with wheels 6, is an endless sprocket-chain h. The rotation of main shaft E, through suitable driving mechanism, causes the rotation of wheels e and their shafts at through power supplied by sprocket-chain h, and gear-wheel f thus rotates gear-wheel F, with its cog-wheel g.

The latter meshing with cogs G of the tub causes the wing to swing or move around said vertical shaft E. The lower ends of shafts d terminate in stirrers. The said stirrers consist of a blade which is bent edgewise in the form of a coil, the fiat upper surface of which blade, when so bent,

constitutes from its bottom end to its top a continuous circular inclined plane, as shown at I. Only one of said screw stirrers is illustrated; but it is intended that each shaft 01 shall be so supplied.

W'e are aware that mechanical stirrers for grain have heretofore been constructed or described consisting of a vertical axle or shaft having a spiral screwblade attached around the lower part, such axle being solid or hollow, or cone-shaped and hollow, and such axle, in operation, caused to rotate while traveling alternately in longitudinal and transverse tracks in a rectangular box or in fixed circular lines within a tub. In such constructed stirrers the axle or shaft within the spiral screw-blade, or to which the spiral screw-blade-is interiorly attached, presents its surface against the grain and pushes a part of it along not taken up on the screw-blade, causing resistance for which additional power must necessarily be supplied to overcome, as well as also causing injury and mutilation of the. grain it thus comes in contact with.

In our device the grain to be operated upon is, after being suitably soaked, spread over the false perforated bottom of the tub, the main vertical and centrally-located shaft is rotated by suitable driving mechanism, the lateral wing thus caused to travel or swing around said shaft within the tub, and its vertical shafts carrying the stirrers are 'caused to rotate, and the grain is moved crosswise upon the blade of the stirrer and slightly elevated, by reason of the rotation of said blade when so moving, until the grain reaches the inner spiral edge of the blade, whereupon it drops into the interior vertical opening, thus thoroughly stirring the same, and during such operation moistened air is conveyed and distributed beneath the false bottom of the tub, and through the perforashaft attached to a horizontal wing axially 1o tions in which passes upward through the attached to a central vertical revolving shaft grain. within such tub, substantially as described. What we claim as new, and desire to secure JOHN NOTH. by Letters Patent, 1s- I HENRY NOTH In combination with a malting-tub, the

spiral blade-stirrer having an interior verti- Witnesses: cal opening, such stirrer attached at its up- B. W. MCCOY, per end to a vertical rotating shaft, and such \V. O. WARRINER. 

